.content {
  width: 1118px;
  margin: 90px auto 20px;
  font-size: 13px;
  color: #666;
  display: flex;
  flex-flow: row nowrap;
  justify-content: flex-start;
  align-items: flex-start;
  background-color: #fff;
}
.content .left-nav {
  width: 140px;
  padding-right: 40px;
}
.content .left-nav h3 {
  font-weight: normal;
  padding: 0 10px;
  height: 54px;
  line-height: 54px;
  font-size: 18px;
  font-weight: bold;
  color: #191e1f;
}
.content .left-nav > div dl {
  padding: 10px 20px;
  border-top: 1px solid #ddd;
}
.content .left-nav > div dl dd {
  margin: 8px 0;
  cursor: pointer;
}
.content .left-nav > div dl dd:hover {
  color: #f44;
  text-decoration: underline #f44;
}
.content .show {
  width: 100%;
}
.content .show ul {
  vertical-align: middle;
  border-bottom: 1px solid #ccc;
}
.content .show ul li {
  float: left;
  font-size: 18px;
  font-weight: bold;
  width: 120px;
  height: 54px;
  line-height: 54px;
  text-align: center;
}
.content .show ul li:hover {
  border-bottom: 4px solid #e31436;
}
.content .show ul .garbige {
  float: right;
  font-size: 14px;
  font-weight: normal;
}
.content .show ul::before,
.content .show ul::after {
  content: '';
  display: table;
  clear: both;
}
.content .show .info {
  background-color: #fff;
  height: 400px;
  width: 100%;
}
